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Author Topic: CB500/4 racer to roadie conversion/Australia  (Read 36125 times)

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Offline ziokahn

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CB500/4 racer to roadie conversion/Australia
« on: June 11, 2014, 06:21:33 AM »
G'day forum members

In the process of converting a CB500/4 post classic racer to a roadie (14 years actually!) In fairness to myself the plan was to do some classic club racing. Relationship, children, mortgage and the racing plans were diminishing. A combination of the shrinking of my bollocks and the increasing expense of classic racing further encouraged this decision . Plan B, convert the Ol girl to a roadie. I plan to keep who ever is interested posted with some pics of the conversion. I am a new member and therefor require a minimum of 5 posts before I can post any images.  Thanks for your time. Speak soon.

Cheers
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Offline Nerdos

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #1 on: June 11, 2014, 06:36:02 AM »
Can I suggest you reply to this then and in so doing allow that magical 5 post threshold to be reached and therefore the glory of pictures to be revealed?
Cheers
Nerdos.
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Offline SOHC4 Cafe Racer Fan

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #2 on: June 11, 2014, 08:07:32 AM »
Would love to see some pictures of the bike in race configuration.
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline 70CB750

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #3 on: June 11, 2014, 08:15:30 AM »
Yes, pictures, please.
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Offline bwaller

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #4 on: June 11, 2014, 12:16:11 PM »
Welcome to the madness and sorry about the bollocks.  ;)  I hope you enjoy this place. We're a picture mad bunch here, some can read, most of us just look at pictures!  ;D
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Offline roadgoeson20

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #5 on: June 11, 2014, 12:37:54 PM »
Can't wait to see it.

Sent from my SAMSUNG-SGH-I337 using Tapatalk

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Offline neevo

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #6 on: June 11, 2014, 07:09:06 PM »
Yep! Needs more pictures :)
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Offline ziokahn

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #7 on: June 12, 2014, 05:20:12 AM »
G'day members

I have reached the magic 5 posts, but still seem to be having trouble forwarding the images.
They are in the right format and size, but I'll be buggered as to why they are not uploading.
I'll continue chipping away.
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Offline ziokahn

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #8 on: June 12, 2014, 05:37:35 AM »
Let's see if this works.
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Offline ziokahn

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #9 on: June 12, 2014, 05:50:01 AM »

No way, well I'll be F@#$*!

Full fairing has been removed.
I do have one or two photo's of her fully clothed. When I come across them I'll post them as well.
Since these snaps, the engine has been removed for inspection.
What started out as a minor resto on the tank has turned into a little bit of a mission.
I do have some questions and will be in need of advice.
I am also chasing up some parts ie: wiring harness, reg/rec, fuse box, solenoid, ignition barrel etc.
I'll keep you posted.
Cheers
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Offline ziokahn

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #10 on: June 12, 2014, 05:57:09 AM »
Files might be too large to send all at once.

I'll sort the re sizing for next time.
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Offline SOHC4 Cafe Racer Fan

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #11 on: June 12, 2014, 06:45:29 AM »
Nice. I assume that's an alloy gas tank and no baffles on the megaphone exhaust, right?
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline ziokahn

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #12 on: June 12, 2014, 05:59:49 PM »
Cheers

Alloy tank, check.
No baffles in pipes, check.
I'll need a bit of luck getting her through registration with those pipes!
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Offline trueblue

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #13 on: June 13, 2014, 04:14:35 AM »
Nice looking bike mate.  Where abouts in Aus are you?

If you are intending to post a lot of photos start up a photobucket account and use the image code on the right.  It allows you to post as many pictures as you want per post and size doesn't matter ;D.
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Offline ziokahn

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #14 on: June 13, 2014, 04:36:49 AM »
Thank for the advice mate. I'll look into that.
Located in Sydney. What about yourself?.
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Offline ziokahn

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #15 on: June 13, 2014, 04:42:29 AM »
QLD copy. Just logged into my account through my phone and your location appeared under your profile pic. I'll also add some more info to my profile. Thanks again for the advice. Cheers
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Offline trueblue

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #16 on: June 13, 2014, 06:21:05 AM »
Yeah mate, I'm about 3hrs north of Brisbane.

Are you putting the fairing back on the old girl?
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1979 CB650Z
Nothing can be idiot proofed, the world keeps producing better idiots.
Electronic Guages for your SOHC 4

Offline ziokahn

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #17 on: June 13, 2014, 06:23:00 PM »
The inspiration is a feature from an old Two Wheels mag from the 70's featuring a CB750 with a Read Titan CR kit. I've located a supplier who is providing me with a Churchgate full fairing similar to a Rickman Avon fairing (perspex nosecone).

I'm also trying to identify whether or not this header pipe is off a standard CB500 or possibly another MC. Your help or anyone Else's out there would be greatly appreciated.
Here is a pic of the Frankenpipe in which needs replacing. There has been around 5 inches removed from the end. It is from the right side.

Thanks again Cheers.
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Offline Steve_K

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #18 on: June 13, 2014, 06:36:15 PM »
Those pipes remind me of a MV Agusta exhaust.  I like it.  Any info on the pipes?

Nice bike!!
Steve
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Offline ziokahn

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #19 on: June 13, 2014, 06:47:43 PM »
Cheers Steve

I think they are Magni MV inspired. I understand they were fabricated here in Oz. I have been trying to source some history on the bike to record some history of what has been done and where. All I know the bike was prepared by Bill Smelling for Westgate racing in the late 80's. I have heard Bill is getting on and sadly not in good health. His bike's were very competitive but that's about all I know.   
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Offline bwaller

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #20 on: June 13, 2014, 07:29:42 PM »
It's been awhile since I've seen stock CB500 pipes but from the pic it looks like a larger OD than those. Double wall but maybe CB650 primary tubes?? Just a wild guess.
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Offline trueblue

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #21 on: June 14, 2014, 01:37:14 AM »
Doesn't look like 650 ones, they had a longer straight section in the down pipe.  I have a set in the shed that are pretty much clagged, I can measure the OD tomorrow if you like just to compare because that one looks like it has been heated and bent to that shape, so maybe used and butchered one off a 650.
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Offline neevo

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #22 on: June 14, 2014, 04:27:22 AM »
Wow! That bike is bad ass the way it is. Love it.
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Offline ziokahn

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #23 on: June 14, 2014, 05:06:16 AM »
Thanks Neevo I'm glad you dig it. I can always remove the fairing and keep her naked.
I've been getting into the full faired 70's vibe. A combination of watching Mad Max for the 50th time and coming across a Read Titan CR in an old Two Wheels mag that's inspired this direction.

Trublu I'll take you up on that offer if you don't mind mate. Tomorrow I'll get back to you with the OD and wall thickness on these headers.

Thanks again forum members for your help,advice and interest. Cheers
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Offline trueblue

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Re: CB500/4 racer to roadie conversion/Australia
« Reply #24 on: June 14, 2014, 05:32:28 AM »
I'll pull them out tomorrow take a picture and measure for comparison for you mate :)
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1979 CB650Z
Nothing can be idiot proofed, the world keeps producing better idiots.
Electronic Guages for your SOHC 4
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